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Combination of the Searches for Pair-Produced Vectorlike Partners of the Third-Generation Quarks at s =13 TeV with the ATLAS Detector

Aaboud M.
•
Aad G.
•
Abbott B.
altro
Zwalinski L.
2018
  • journal article

Periodico
PHYSICAL REVIEW LETTERS
Abstract
A combination of the searches for pair-produced vectorlike partners of the top and bottom quarks in various decay channels (T→Zt/Wb/Ht, B→Zb/Wt/Hb) is performed using 36.1 fb−1 of pp collision data at √s=13 TeV with the ATLAS detector at the Large Hadron Collider. The observed data are found to be in good agreement with the standard model background prediction in all individual searches. Therefore, combined 95% confidence-level upper limits are set on the production cross section for a range of vectorlike quark scenarios, significantly improving upon the reach of the individual searches. Model-independent limits are set assuming the vectorlike quarks decay to standard model particles. A singlet T is excluded for masses below 1.31 TeV and a singlet B is excluded for masses below 1.22 TeV. Assuming a weak isospin (T,B) doublet and |VTb|≪|VtB|, T and B masses below 1.37 TeV are excluded.
DOI
10.1103/PhysRevLett.121.211801
WOS
WOS:000451008600002
Archivio
http://hdl.handle.net/11390/1165152
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85057470814
http://harvest.aps.org/bagit/articles/10.1103/PhysRevLett.121.211801/apsxml
Diritti
open access
Soggetti
  • LHC third generation ...

Scopus© citazioni
111
Data di acquisizione
Jun 2, 2022
Vedi dettagli
Web of Science© citazioni
102
Data di acquisizione
Mar 27, 2024
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